iOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2019-09-04T17:06:29Z. The update package is 494.53 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7539cb89a19d4b1d577fc084d49158398b7bd4bd.zip.